What the tool does, how to run it, and what to expect from the result.
Click each button inside the test area: it lights up and counts, including the side Back and Forward buttons that many testers miss. The right-click menu and middle-click scrolling are blocked inside the box so every press registers. Move the mouse quickly in circles to estimate the polling rate from the movement reports the browser receives: 125, 500 and 1,000 Hz are common settings.
A quick way to understand who this helps, what it solves, and where it connects next.
Gamers, PC builders and anyone checking a device before a warranty claim.
Using the mouse test without installing anything or signing up.
Short answers for the questions people usually have before trying a utility like this.
Move the mouse fast and continuously inside the box and read the highest rate. Browsers may cap reporting, so a 4,000 or 8,000 Hz mouse can read lower here than in its own software.
Some mouse software remaps them to shortcuts, and Safari on macOS does not pass them to web pages. Try another browser or reset the mapping.
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Click every button, scroll and move the mouse inside the box.
Buttons that light up work. Back and Forward only register on mice that have side buttons. Polling rate is estimated from the movement reports the browser receives; browsers can cap it, so treat numbers above 1,000 Hz as a lower bound.